[INFO] cloning repository https://github.com/Finnerale/Coat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Finnerale/Coat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFinnerale%2FCoat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFinnerale%2FCoat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e651041c0c501fcefa9190b1d6477908d9287593
[INFO] checking Finnerale/Coat against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFinnerale%2FCoat" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Finnerale/Coat on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Finnerale/Coat
[INFO] finished tweaking git repo https://github.com/Finnerale/Coat
[INFO] tweaked toml for git repo https://github.com/Finnerale/Coat written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 175 packages to latest compatible versions
[INFO] [stderr]       Adding druid v0.7.0 (available: v0.8.3)
[INFO] [stderr]       Adding simple_logger v1.16.0 (available: v5.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64a9637a6595abf4a8739e033ec8c06c9f6f3ad2e5c5157d7578bdb4e0e00390
[INFO] running `Command { std: "docker" "start" "-a" "64a9637a6595abf4a8739e033ec8c06c9f6f3ad2e5c5157d7578bdb4e0e00390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64a9637a6595abf4a8739e033ec8c06c9f6f3ad2e5c5157d7578bdb4e0e00390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a9637a6595abf4a8739e033ec8c06c9f6f3ad2e5c5157d7578bdb4e0e00390", kill_on_drop: false }`
[INFO] [stdout] 64a9637a6595abf4a8739e033ec8c06c9f6f3ad2e5c5157d7578bdb4e0e00390
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d50104534d065c1085b28f20badc1132a8945ddfb4a83cf4f186016d9edfc8d
[INFO] running `Command { std: "docker" "start" "-a" "0d50104534d065c1085b28f20badc1132a8945ddfb4a83cf4f186016d9edfc8d", kill_on_drop: false }`
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[INFO] [stderr]     Checking coat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `z_index`, `paint_func`, and `transform` are never read
[INFO] [stdout]   --> src/context.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) struct ZOrderPaintOp {
[INFO] [stdout]    |                   ------------- fields in this struct
[INFO] [stdout] 77 |     pub z_index: u32,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 78 |     pub paint_func: Box<dyn FnOnce(&mut PaintCtx) + 'static>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 79 |     pub transform: Affine,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fixed_width` is never read
[INFO] [stdout]   --> src/text/editor.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Editor<T> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fixed_width: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Editor` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/tree.rs:648:22
[INFO] [stdout]     |
[INFO] [stdout] 646 |             let node_p = node as *const Child as *mut Child;
[INFO] [stdout]     |                          ---------------------------------- casting happened here
[INFO] [stdout] 647 |             // This is save because each child can only be accessed once.
[INFO] [stdout] 648 |             unsafe { &mut *node_p }
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coat` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `z_index`, `paint_func`, and `transform` are never read
[INFO] [stdout]   --> src/context.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) struct ZOrderPaintOp {
[INFO] [stdout]    |                   ------------- fields in this struct
[INFO] [stdout] 77 |     pub z_index: u32,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 78 |     pub paint_func: Box<dyn FnOnce(&mut PaintCtx) + 'static>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 79 |     pub transform: Affine,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fixed_width` is never read
[INFO] [stdout]   --> src/text/editor.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Editor<T> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fixed_width: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Editor` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
[INFO] [stdout]    --> src/tree.rs:648:22
[INFO] [stdout]     |
[INFO] [stdout] 646 |             let node_p = node as *const Child as *mut Child;
[INFO] [stdout]     |                          ---------------------------------- casting happened here
[INFO] [stdout] 647 |             // This is save because each child can only be accessed once.
[INFO] [stdout] 648 |             unsafe { &mut *node_p }
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, visit <https://doc.rust-lang.org/book/ch15-05-interior-mutability.html>
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coat` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0d50104534d065c1085b28f20badc1132a8945ddfb4a83cf4f186016d9edfc8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d50104534d065c1085b28f20badc1132a8945ddfb4a83cf4f186016d9edfc8d", kill_on_drop: false }`
[INFO] [stdout] 0d50104534d065c1085b28f20badc1132a8945ddfb4a83cf4f186016d9edfc8d
